1

Lupus:
Sle is a very serious condition that can cause organ failure and death. Understand possible aversion to medication but serious repercussions to stoping tx. Multivitamin ok but discuss treatment with physician.
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A dietary supplement, also known as food supplement or nutritional supplement, is a preparation intended to supplement the diet and provide nutrients, such as vitamins, minerals, fiber, fatty acids, or amino acids, that may be missing or may not be consumed in sufficient quantities in a person's diet. Some countries define dietary supplements as foods, while in others as drugs.
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2

Prenatal MVI (multivitamin) :
The best advice would be to adjust your eating habit. Try to eat better and healthier. Increase vegetable and fruits. In addition, since you are at child bearing age- you should take prenatal multivitamin and also don't forget to take calcium daily ( daily recommendation is 1200-1500mg/day) as you are at the peak age where your body will absorp those calcium supplement effectively.
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3

No:
One does not want to just "boost" an immune system. Bad things happen when one's immune response is too little (can get infections, and die from serious ones). Bad things happen when one's immune response is too much (can get auto-immune disorders, where one's own immune system attacks oneself). Life is about balance. Exercise, a healthy diet, and approved supplements are fine, but don't stop HPV.
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6

Yes:
Certain vitamins, particularly the fat soluble ones, a, d, e, and k can reach toxic levels if you take too much. The other vitamins can cause other health problems, such as increasing risk for cancer, if taken in very high doses.
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7

Not at all:
If you don't have a deficiency, supplements offer no benefit and according to some recent studies may actually cause harm. See september 2012 issue of consumer reports article on the dangers of taking vitamin supplements. The only way to know if you have a deficiency is to be tested for it. See your doctor to discuss test options.
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9

None:
If you don't have a deficiency, supplements offer no benefit and according to some recent studies may actually cause harm. See september 2012 issue of consumer reports article on the dangers of taking vitamin supplements. The only way to know if you have a deficiency is to be tested for it. See your doctor to discuss test options.
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10

Need more info:
Recommendations differ depending on your health status, gender, age, and goals, etc. You have shared nothing about your diet, goals, or current status. So, your best bet would be to consult a physician skilled in nutrition and integrative medicine. You can find one through american board of integrative holistic medicine: http://www.Abihm.Org/ at the very least, most need a good multivitamin.
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Vitamin deficiency is a symptom in which a person has lower than normal levels (on blood testing) of one or more vitamins, usually due to not eating a good diet. Some medical conditions decrease the absorption of vitamins from food, even if eating a good diet.
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